5

2H 2HE 2H 3H...

Question

2H 2HE 2H 3H

2H 2H E 2H 3H



Answers

$$ 3 \mathrm{C}_{2} \mathrm{H}_{6} \stackrel{450^{\circ} \mathrm{C}}{\longrightarrow} 2 \mathrm{C}_{2} \mathrm{H}_{4}+\mathrm{CH}_{4}+\mathrm{H}_{2} $$

So H plus two into four H minus three plus distribute H plus student forage minus three select H times for H plus H times minus three plus two times for H plus two times minus three. So this is four H squared minus three h plus eight h minus six. So what's combined the like terms here. So four h squared plus five h minus six.

To begin. Let's subtract her minutes. We can't do 25 minus 30 as 25 is less than 30. Thus, we need to borrow from the hours column. When we borrow one hour, we're left with six over here now. One hour, 60 minutes. So we're actually gonna be adding 60 to this number. 60 post 25 is 85. So we're doing 85 minutes minus 30 minutes, which is 55 minutes, and then we're doing six minus two hours, which is four hours.

This question assets to divide. And since there is a polynomial in the numerator, we want a double check of weekend faster. First, in this case, we can. So we can rewrite this as H minus three kinds H plus eight over each minus three and we'll notice up. There is an H plus three emboldened numerator and the denominator so we can cancel those terms out and we'll be left with a final answer of each plus eat.

That's question asks us to divide, and we first want to check if we can factor the numerator in this case we can. So we can rewrite the numerator as H minus three each plus eight over H minus three, and will notice that there is an H plus three H minus three term and both the numerator and the denominator so we can cancel those terms out and we'll be left with H plus eight as our final answer.


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